31011214104 has 48 divisors (see below), whose sum is σ = 90449377200. Its totient is φ = 9541911744.

The previous prime is 31011214093. The next prime is 31011214123. The reversal of 31011214104 is 40141211013.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16564884 + ... + 16566755.

It is an arithmetic number, because the mean of its divisors is an integer number (1884362025).

Almost surely, 2^31011214104 is an apocalyptic number.

It is an amenable number.

31011214104 is an abundant number, since it is smaller than the sum of its proper divisors (59438163096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31011214104 is a wasteful number, since it uses less digits than its factorization.

31011214104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33131664 (or 33131657 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 31011214104 its reverse (40141211013), we get a palindrome (71152425117).

The spelling of 31011214104 in words is "thirty-one billion, eleven million, two hundred fourteen thousand, one hundred four".